Context7 Plugin for Claude Code

Context7 solves a common problem with AI coding assistants: outdated training data and hallucinated APIs. Instead of relying on stale knowledge, Context7 fetches current documentation directly from source repositories.

What's Included

This plugin provides:

MCP Server - Connects Claude Code to Context7's documentation service
Skills - Auto-triggers documentation lookups when you ask about libraries
Agents - A dedicated docs-researcher agent for focused lookups
Commands - /context7:docs for manual documentation queries

Installation

Install the plugin from the official marketplace:

claude plugin install context7@claude-plugins-official

Available Tools

resolve-library-id

Searches for libraries and returns Context7-compatible identifiers.

Input: "next.js"
Output: { id: "/vercel/next.js", name: "Next.js", versions: ["v15.1.8", "v14.2.0", ...] }

query-docs

Fetches documentation for a specific library, ranked by relevance to your question.

Input: { libraryId: "/vercel/next.js", query: "app router middleware" }
Output: Relevant documentation snippets with code examples

Usage Examples

The plugin works automatically when you ask about libraries:

"How do I set up authentication in Next.js 15?"
"Show me React Server Components examples"
"What's the Prisma syntax for relations?"

For manual lookups, use the command:

/context7:docs next.js app router
/context7:docs /vercel/next.js/v15.1.8 middleware

Or spawn the docs-researcher agent when you want to keep your main context clean:

spawn docs-researcher to look up Supabase auth methods

Version Pinning

To get documentation for a specific version, include the version in the library ID:

/vercel/next.js/v15.1.8
/supabase/supabase/v2.45.0

The resolve-library-id tool returns available versions, so you can pick the one that matches your project.

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